Working safely with computers
Quiz
Ergonomics is the study of
- personality
- computers
- humans working with machines
- how humans work
Which one of the following is NOT a good way to sit at a computer?
- Feet flat on the floor or footrest.
- Chair back supports the lower back.
- Elbows in front of you.
- There is space between the back of the knees and the chair.
The work surface should be at the height so that
- Your keyboard and mouse are at elbow height
- Your keyboard and mouse are at shoulder height.
- Your keyboard and mouse are at waist height.
- You can rest your head comfortably
The distance from your eyes to the computer screen should be
- Less than 18 inches
- More than 18 inches
- About 18 feet
- About 8 inches
How long should you work at a computer before having a break of 5 minutes?
- 10 minutes
- 3 hours
- 30 minutes
- 45 minutes